HICCUP is a playable word

hiccup Scrabble® Dictionary

verb
hiccuped, hiccuping, hiccups or hiccupped, hiccupping, hiccups
to make a peculiar-sounding, spasmodic inhalation
17 Playable Words can be made from "HICCUP"
   2-Letter Words (4 found)
   3-Letter Words (9 found)
   4-Letter Words (3 found)
   6-Letter Words (1 found)